CN107965223B

CN107965223B - Buffer hinge device

Info

Publication number: CN107965223B
Application number: CN201711381516.5A
Authority: CN
Inventors: 苏树鹏; 黄榕新
Original assignee: Guangdong Xingpeng Industry Co ltd
Current assignee: Guangdong Xingpeng Industry Co ltd
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2023-06-23
Anticipated expiration: 2037-12-20
Also published as: CN107965223A

Abstract

The invention relates to the technical field of hinge research and development design, in particular to a buffer hinge device, which adopts the following technical scheme: a buffering hinge device comprises a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage piece, wherein the hinge cup is fixed on a door plate; second pivot, torsion spring, second interlock, buffer structure and bearing structure, buffer structure includes: the output direction of the piston rod of the buffer structure is set towards the direction of the torsion spring, the buffer structure is arranged between the bearing mechanism and the shell and is driven by the bearing structure to move in the shell, a stop part is arranged between the torsion spring and the piston rod of the buffer structure and the torsion spring, and the stop part stops the piston rod to increase the resistance of the torsion spring to reset, and the invention has the advantages that: the production cost of the product is effectively reduced, on the basis of reducing the cost, the noise generated by friction of the existing components and the overall rotating smoothness of the product are overcome, and the overall quality and market competitiveness of the product are improved.

Description

Buffer hinge device

Technical field:

the invention relates to the technical field of hinge research and development design, in particular to a buffering hinge device.

The background technology is as follows: hinges are also known as hinges and are mechanical devices that connect two solids and allow relative rotation between the two. The hinge may be formed of a movable component or of a foldable material. The hinges are mainly arranged on doors and windows, and the hinges are more arranged on cabinets and furniture door panels and are mainly classified into stainless steel hinges and iron hinges according to materials; in order to make people enjoy better, a hydraulic hinge (also called damping hinge) is provided, which is characterized in that the damping function is brought when the cabinet door is closed, and the noise generated by collision with the cabinet body when the cabinet door is closed is reduced to the greatest extent.

An invention patent disclosed by China patent office: CN103470121, bulletin day: 2013.12.25 discloses an embodiment of a door hinge with cushioning function which can overcome the torsion return resistance by directly arranging a damper frame between hinge housings and driving a piston rod in a reverse direction, with the aim of saving processing and material costs, but the number of parts of this embodiment is still large, resulting in large investment of later molds, increasing the additional cost of a single mold in the later stage, and the market competitiveness is in need of improvement.

The invention comprises the following steps:

it is an object of the present invention to provide a damper hinge device, in particular a damper hinge with a simple structure and a low production cost.

It is an object of the present invention to provide a cushion hinge device, in particular a cushion hinge with low rotational noise.

It is an object of the present invention to provide a damper hinge assembly, and more particularly, a damper hinge with a smoother rotation of the structure.

In order to achieve the above purpose, the invention adopts the following technical scheme: the buffer hinge device comprises a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage piece, wherein one end of the first linkage piece is rotatably arranged on the shell through the first rotating shaft, the other end of the first linkage piece is rotatably connected with the hinge cup through one shaft of the U-shaped pin shaft, and the hinge cup is fixed on a door plate;

the torsion spring is sleeved on the first rotating shaft, a first torsion arm of the torsion spring is fixed on the U-shaped pin shaft, and a second torsion arm of the torsion spring is in contact with the first linkage member or the shell;

the output direction of the piston rod of the buffer structure is set towards the direction of the torsion spring, the buffer structure is arranged between the bearing mechanism and the shell and is driven by the bearing structure to move in the shell, a stop part is arranged between the torsion spring and the piston rod of the buffer structure and the torsion spring, and the stop part stops the piston rod to increase the resistance of the torsion spring to reset.

Preferably, the stop part is a stop block or a baffle plate or a stop shaft hole or a stop grid with a gap smaller than the diameter of the piston rod, wherein the stop block or the baffle plate or the stop shaft hole or the stop grid is arranged between the torsion spring and the piston rod of the buffer structure.

Preferably, a baffle is arranged between the torsion spring and the piston rod of the buffer structure, and the baffle is bent from the outer side of the shell along the inner side of the shell or is arranged between two side plates of the shell.

Preferably, the baffle plate is provided with an upper through hole and a lower through hole at positions corresponding to the piston rod of the buffer structure, the upper through hole and the lower through hole are communicated with each other through parts, positioning clamping parts are arranged at two sides of the through parts of the piston rod in the direction of the baffle plate, and the positioning clamping parts are arranged at positions close to the end parts of the piston rod.

Further, the buffer structure comprises a buffer cylinder body and a piston rod which are arranged in the guide frame, and guide grooves are formed in two sides of the guide frame.

Preferably, the guide groove of the guide frame is obliquely arranged toward the stop portion or is arranged perpendicular to the piston rod.

Further, the guide frame is provided with an arc-shaped guide part protruding towards two sides of the guide frame at one side of the piston rod, and the arc-shaped guide part is in sliding fit with a bending part of the second linkage piece at one side of the buffer structure.

Further, a lower protruding part is arranged at the bottom of the guide frame, and an inner inclined guide part is arranged at one side of the lower protruding part on the shell.

Further, the supporting structure comprises a second linkage piece, wherein the second linkage piece is arranged at one end of the buffer structure and is provided with a protruding sliding block in sliding fit with the guide grooves on two sides of the guide frame.

Preferably, the second linking member is disposed at one side of the buffer structure and is bent toward the guiding grooves at two sides of the buffer structure.

The invention has the advantages that: the production cost of the product is effectively reduced, on the basis of reducing the cost, the noise generated by friction of the existing components and the overall rotating smoothness of the product are overcome, and the overall quality and market competitiveness of the product are improved.

Description of the drawings:

fig. 1 is a schematic perspective view of a buffering hinge device in accordance with embodiment 1;

fig. 2 is an exploded view of a buffering hinge device according to embodiment 1;

fig. 3 is a schematic exploded view of a buffering hinge device of embodiment 1.

Fig. 4 is a schematic perspective view of a buffering structure of a buffering hinge device in accordance with embodiment 1;

fig. 5 is a schematic front view of a buffering structure of a buffering hinge device according to embodiment 1;

fig. 6 is an exploded 2-structure schematic view of a buffering hinge device of embodiment 1;

fig. 7 is a schematic sectional view of a buffering hinge device of embodiment 1;

fig. 8 is a schematic sectional view of a buffering hinge device of embodiment 1;

fig. 9 is a schematic sectional view of a buffering hinge device of embodiment 1.

The specific embodiment is as follows:

the following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.

In the description of the present invention, unless otherwise indicated, terms such as "upper, lower, inner, outer" and the like are used merely to denote the orientation of the term in a conventional use state or are commonly understood by those skilled in the art, and should not be construed as limiting the term.

In the description of the present invention, in different embodiments, different technical features and technical solutions may be used in combination with each other without any conflict between technical features and technical solutions.

The terms first, second, third and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the objects so described may be interchanged where appropriate. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

Example 1: referring to fig. 1-9, a buffering hinge device comprises a shell 1, a first rotating shaft 51, a U-shaped pin shaft 21, a hinge cup 2 and a first linkage member 3, wherein one end of the first linkage member 3 is rotatably arranged on the shell 1 through the first rotating shaft 51, the other end of the first linkage member 3 is rotatably connected with the hinge cup 2 through one shaft of the U-shaped pin shaft 21, and the hinge cup 2 is fixed on a door plate.

The torsion spring 4 is sleeved on the first rotating shaft 51, the first torsion arm 41 of the torsion spring 4 is fixed on the U-shaped pin shaft 21, and the second torsion arm 42 of the torsion spring 4 is connected with the first linkage member or the shell.

The buffer structure and the bearing structure are arranged, the output direction of the piston rod 61 of the buffer structure is set towards the direction of the torsion spring 4, the buffer structure is arranged between the bearing mechanism and the shell 1 and is driven by the bearing structure to move in the shell 1, the stop part 11 is arranged between the torsion spring 4 and the piston rod 61 of the buffer structure and the torsion spring 4, and the stop part 11 stops the piston rod 61 to increase the resistance of the torsion spring 4 to reset.

Preferably, a gap for rotation is left between the stop part 11 and the torsion spring 4, and the stop part 11 is a stop block or a baffle plate or a baffle shaft hole or a stop grid with a gap smaller than the diameter of the piston rod, which is arranged between the torsion spring 4 and the piston rod 61 of the buffer structure.

Preferably, a baffle 12 is arranged between the torsion spring 4 and the piston rod 61 of the buffer structure, and the baffle 12 is bent from the outer side of the housing 1 along the inner side of the housing or is arranged between two side plates of the housing 1.

Preferably, the baffle 12 is provided with an upper through hole 121 and a lower through hole 122 at positions corresponding to the piston rod 61 of the buffer structure, the apertures of the upper through hole 121 and the lower through hole 122 are inconsistent, the upper through hole 121 and the lower through hole 122 are mutually communicated with each other, positioning clamping openings 612 are formed at two sides of the penetrating part of the piston rod 61 in the direction of the baffle 12, the positioning clamping openings 612 are arranged at positions close to the end part of the piston rod 6, and in the installation process, the piston rod of the buffer structure is fixedly embedded in the lower through hole 122 by sliding along the penetrating part through the upper through hole 121 through the positioning clamping openings 612, in this embodiment, the positions of the upper through hole 121 and the lower through hole 122 are relatively speaking, the corresponding configuration is carried out by considering the positions of the baffle 12, the installation position of the baffle is not limited by the upper through hole and the lower through hole, and the positioning clamping openings of the piston rod can also be embedded in the direction of the upper through hole.

Preferably, the buffer structure includes a buffer cylinder 60 and a piston rod 61 disposed in the guide frame 6, guide grooves 62 are disposed on two sides of the guide frame 60, the guide grooves 62 of the guide frame 60 are disposed obliquely toward the stop portion 11 or perpendicular to the piston rod 61, and a limiting top plate 621 is disposed at the top of the guide grooves 62.

In order to further support the guide frame 60 and reduce the friction force generated during the sliding process of the guide frame 62 so as to improve the smoothness of the sliding process, one side of the guide frame 62, which is positioned on the piston rod 61, is provided with an arc-shaped guide portion 64 protruding towards both sides of the guide frame, and the arc-shaped guide portion 64 is in sliding fit with the bending portion 54, which is positioned on one side of the buffer structure, of the second linkage element 5.

In order to further reduce the friction force generated during the sliding of the guide frame 60 to improve the smoothness of the sliding process thereof, a lower boss 63 is provided at the bottom of the guide frame 60, and an inner inclined guide 631 is provided at one side of the lower boss 63 at the housing 1.

The bearing structure includes that second interlock spare 5 is located buffer structure one end and sets up the protruding slider 53 with guide frame 60 both sides guide groove 62 sliding fit, protruding slider 53 can be along guide groove 62 direction arch and its diameter is less than guide groove 62 diameter, and the protruding slider 53 of second interlock spare 5 both sides is located buffer structure one side along second interlock spare and is towards the crooked setting of guide groove 62 direction of its both sides, and protruding slider 53 can be circular axis or sphere slider.

In this embodiment, during the resetting of the torsion spring 4, the second linkage member 5 rotates to enable the protruding sliders 53 at both sides thereof to vertically slide along the guide grooves 62 at both sides of the guide frame 60 and enable the guide frame to slide toward the torsion spring 4, and because the piston rod 61 of the buffer structure abuts against the stop portion 11, the abutting of the piston rod 61 and the stop portion 11 further reduces the resetting torsion force of the torsion spring 4, accordingly, reduces the closing force of the door panel, provides a buffer force during the closing process of the door panel, and enables the door panel to be slowly closed, and during the opening process of the door panel, the protruding sliders 53 at both sides of the second linkage member 5 drive the guide frame 60 to move in opposite directions and vertically slide down along the guide grooves 62 to reset the guide frame 6 to the initial position.

In the above embodiment, the whole abutting process of the piston rod 61 does not need to abut against the torsion spring 4, friction noise between the piston rod 61 and the torsion spring 4 is not generated, and a mute value in the door opening or closing process is improved.

Of course, the above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all equivalent modifications made in the principles of the present invention are included in the scope of the present invention.

Claims

1. The buffer hinge device is provided with a shell, a first rotating shaft, a U-shaped pin shaft, a hinge cup and a first linkage piece, wherein one end of the first linkage piece is rotatably arranged on the shell through the first rotating shaft, the other end of the first linkage piece is rotatably connected with the hinge cup through one shaft of the U-shaped pin shaft, and the hinge cup is fixed on a door plate;

a second rotating shaft, a torsion spring and a second linkage piece are arranged, wherein one end of the second linkage piece is rotatably arranged in the shell through the second rotating shaft, the other end of the second linkage piece is rotatably connected with the hinge cup through the other shaft of the U-shaped pin shaft,

the torsion spring is sleeved on the first rotating shaft, a first torsion arm of the torsion spring is fixed on the U-shaped pin shaft, and a second torsion arm of the torsion spring is connected with the first linkage piece or the shell;

the method is characterized in that: the damping device comprises a damping structure and a supporting structure, wherein the output direction of a piston rod of the damping structure is set towards the direction of a torsion spring, the damping structure is arranged between the supporting structure and a shell and is driven to move in the shell by the supporting structure, a stop part is arranged between the torsion spring and the piston rod of the damping structure and used for stopping the piston rod so as to increase the reset resistance of the torsion spring, and the stop part is a stop block or a baffle plate or a stop grille with a stop shaft hole or a gap smaller than the diameter of the piston rod, which are arranged between the torsion spring and the piston rod of the damping structure.

2. A buffering hinge assembly according to claim 1, wherein: the baffle is arranged between the torsion spring and the piston rod of the buffer structure, and the baffle is bent from the outer side of the shell along the inner side of the shell or is arranged between two side plates of the shell.

3. A buffering hinge assembly according to claim 2, wherein: the baffle is provided with an upper through hole and a lower through hole at positions corresponding to the piston rod of the buffer structure, the upper through hole and the lower through hole are communicated with each other through parts, positioning clamping parts are arranged on two sides of the through parts of the piston rod in the direction of the baffle, and the positioning clamping parts are arranged at positions close to the end parts of the piston rod.

4. A buffering hinge assembly according to claim 1, wherein: the buffer structure comprises a buffer cylinder body and a piston rod which are arranged in the guide frame, and guide grooves are formed in two sides of the guide frame.

5. The cushion hinge apparatus of claim 4, wherein: the guide groove of the guide frame is obliquely arranged towards the stop part or is perpendicular to the piston rod.

6. The cushion hinge apparatus of claim 4, wherein: the guide frame is located one side of piston rod and sets up towards its both sides bellied arc guide part, and the arc guide part is located the portion sliding fit of bending of buffer structure one side with the second interlock spare.

7. The cushion hinge apparatus of claim 4, wherein: the bottom of the guiding frame is provided with a lower protruding part, the diameter of the lower protruding part is smaller than that of the bottom surface of the guiding frame, and one side of the lower protruding part, which is positioned on the outer shell, is provided with an inner inclined guiding part.

8. A buffering hinge device according to claim 4 or 5 or 6 or 7, characterized in that: the bearing structure comprises a second linkage piece, wherein one end of the second linkage piece is arranged at one end of the buffer structure and is in sliding fit with the guide grooves at two sides of the guide frame.

9. The cushioned hinge arrangement of claim 8, wherein: the second linkage piece is arranged at one side of the buffer structure and bends towards the direction of the guide grooves at two sides of the buffer structure.